/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngine/Public/MetasoundBuilderSubsystem.h
Removes node input literal default if set, reverting the value to be whatever the node class defaults the value to. Returns success if value was removed, false if not removed (i.e. wasn't set to begin with).
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Audio|MetaSound|Builder", Meta=(ExpandEnumAsExecs="OutResult")) void RemoveNodeInputDefault ( const [FMetaSoundBuilderNodeInputHandle](API\Plugins\MetasoundEngine\FMetaSoundBuilderNodeInputHandle) & InputHandle, [EMetaSoundBuilderResult](API\Plugins\MetasoundEngine\EMetaSoundBuilderResult) & OutResult )